3.17

namespace DBR
{
    class Program
    {
        static void Main(string[] args)
        {
            
            /*
             * byte b = 3;
             b =(byte)(b+4);
             Console.WriteLine("b="+b);
             Console.ReadKey();
            /*
------------------------------------------------------             
             
            int x = 12;
            int y = 96;
            {
                Console.WriteLine("x is" + x);
                Console.WriteLine("y is" + y);
            }
            y = x;
            Console.WriteLine("x is"  +x);
            Console.ReadLine();
----------------------------------------------------            
             * */
            /*int b=5;
             if (b%2!=0)
             {
                 Console.WriteLine ("x 为奇数");
             }
             else
             {
                 Console.WriteLine ("x 为偶数");
             }
             Console.ReadLine();
 ------------------------------------------------
           
          /*
           * int x=0;
             for (int i=0;i<100;i++)
             {
                 if (i%2!=0)
                 {
                     x=x+i;
                 }
                
             }
             Console.WriteLine("1-99间奇数和为：" + x);
             Console.ReadLine();
 ------------------------------------------------
            */
            Console.WriteLine("请输入一个整数");
              int a = int.Parse(Console.ReadLine());
              Console.WriteLine ("请输入第二个整数");
              int b=int.Parse (Console.ReadLine());
              Console.WriteLine("{0}+{1}={2}", a, b, a + b);
              Console.ReadKey();
            }
      }
}